Finding the Fourth Proportional to 11,691,705.18, 16,134,219.46 and 6,464,623.44
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Solution
The fourth proportional to 11,691,705.18, 16,134,219.46 and 6,464,623.44 is: 8,920,995.84
Step by Step Solution
- Step 1: Write the proportion equation
11,691,705.18 : 16,134,219.46 = 6,464,623.44 : x - Step 2: Convert to fraction form
11,691,705.18/16,134,219.46 = 6,464,623.44/x - Step 3: Cross multiply
11,691,705.18x = 16,134,219.46 × 6,464,623.44 - Step 4: Simplify right side
11,691,705.18x = 104,301,653,307,220.16 - Step 5: Solve for x
x = 104,301,653,307,220.16/11,691,705.18 - Step 6: Final answer
x = 8,920,995.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.